Effectively screen colonies with X-Gal, an inert chromogenic substrate for beta-galactosidase which hydrolyzes X-Gal, forming an intense blue precipitate.
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Stabilize enzymes and other proteins which possess free sulfhydryl groups with DTT, shown to restore activity lost by oxidation of these groups in vitro.
Effectively screen colonies with X-Gal, an inert chromogenic substrate for beta-galactosidase which hydrolyzes X-Gal, forming an intense blue precipitate.
Thermo Scientific 25 mM MgCl2 is an aqueous solution of 0.22 μm membrane-filtered magnesium chloride, used for optimization of magnesium ion concentration in PCR.